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Question
What is mole? what is its features?
What is mole? what is its features?
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Solution
Mole is used for expressing the amount of a chemical substance. One mole is defined as the amount of substance of a system which contains as many entities as atoms, molecules, and ions as there are atoms in 12 grams of carbon-12.
Features =
The concept of the mole helps to put quantitative information about what happens in a chemical equation on a macroscopic level. For example, in the chemical reaction 2H2O → O2 + 2H2, two moles of water are decomposed into two moles of molecular hydrogen and one mole of molecular oxygen. The mole can be used to determine the simplest formula of a compound and to calculate the quantities involved in chemical reactions. When dealing with reactions that take place in solutions, the related concept of molarity is useful. Molarity (M) is defined as the number of moles of a solute in a litre of solution.
Mole is used for expressing the amount of a chemical substance.
One mole is defined as the amount of substance of a system which contains as many entities as atoms, molecules, and ions as there are atoms in 12 grams of carbon-12.
Features =
The concept of the mole helps to put quantitative information about what happens in a chemical equation on a macroscopic level. For example, in the chemical reaction 2H2O → O2 + 2H2, two moles of water are decomposed into two moles of molecular hydrogen and one mole of molecular oxygen. The mole can be used to determine the simplest formula of a compound and to calculate the quantities involved in chemical reactions. When dealing with reactions that take place in solutions, the related concept of molarity is useful. Molarity (M) is defined as the number of moles of a solute in a litre of solution.
Features =
The concept of the mole helps to put quantitative information about what happens in a chemical equation on a macroscopic level. For example, in the chemical reaction 2H2O → O2 + 2H2, two moles of water are decomposed into two moles of molecular hydrogen and one mole of molecular oxygen. The mole can be used to determine the simplest formula of a compound and to calculate the quantities involved in chemical reactions. When dealing with reactions that take place in solutions, the related concept of molarity is useful. Molarity (M) is defined as the number of moles of a solute in a litre of solution.
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